Description
Optimal Audio Sub 18 is a high-power, large-format passive subwoofer designed for professional fixed installation systems that require very deep, powerful bass reproduction in large spaces.
It uses an 18-inch long-excursion low-frequency driver in a heavily reinforced MDF enclosure with a rugged steel grille, built to handle high sound pressure levels and continuous professional use in demanding environments.
More Information
Features
- Compact size
- Powerful sub-bass support down to 42Hz (± 3dB)
- High power handling
Technical Specification
- Type: Passive installation subwoofer
- Driver: 18-inch long-excursion low-frequency driver
- Power handling: around 1000W AES (higher peak capability depending on system design)
- Impedance: 8Ω nominal
- Frequency response: approximately 28 Hz – 100/120 Hz (depends on DSP tuning and enclosure setup)
- Maximum SPL: roughly 130–135 dB peak (system dependent)
- Enclosure: Heavy-duty reinforced MDF cabinet with steel grille protection
- Tuning: Designed for deep bass reinforcement in large commercial installations
- Connectivity: Professional speaker input terminals (typically speakON compatible in system integration)
- Mounting: M8 rigging points / installation hardware for fixed or flown deployment depending on model variant
- Recommended amplification: Optimal Audio SmartAmp / Zone DSP-controlled amplification systems
- Application: Fixed installation only (not portable PA use)
